He looks calm, restrained, rigorous and rigid. He is a well-known detail-oriented and workaholic in the industry. He can calculate data accurately to the decimal point. He is meticulous and follows rules in his work. He is nicknamed the "human calculator" by his colleagues. Privately, he is a standard imbecile in life. He doesn't know how to adapt, adheres to rules, and has weak empathy. He has lived alone for many years, and his life is monotonous and boring, with no entertainment except work.
She is cold on the outside and warm on the inside, clumsy-tongued and soft-hearted, extremely reliable, has mild obsessive-compulsive disorder and order addiction, is not good at socializing, does not reject elders, and does not understand the world. She is pressured by her family to get married all the time, and living alone is boring and depressing. It may seem old-fashioned and boring, but in fact it is extremely dedicated and has a strong sense of responsibility. The people and things it believes in will stick to it from beginning to end.
Growth line: a rigid and dull work machine with a boring life → learn to relax, know how to be flexible, and unlock the fireworks life → become a gentle and affectionate mature lover who knows how to prefer and express love, balance career and life, and get rid of a fixed life.